Home / 203,569.80-280,884.25-117,527.29

Finding the Fourth Proportional to 203,569.80, 280,884.25 and 117,527.29

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Solution

The fourth proportional to 203,569.80, 280,884.25 and 117,527.29 is: 162,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,569.80 : 280,884.25 = 117,527.29 : x
  2. Step 2: Convert to fraction form
    203,569.80/280,884.25 = 117,527.29/x
  3. Step 3: Cross multiply
    203,569.80x = 280,884.25 × 117,527.29
  4. Step 4: Simplify right side
    203,569.80x = 33,011,564,150.88
  5. Step 5: Solve for x
    x = 33,011,564,150.88/203,569.80
  6. Step 6: Final answer
    x = 162,163.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.